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Laabri

Algebra 2 6-6 Guided Practice: Function Operations

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Last updated over 3 years ago
17 Nsɛmmisa
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F.BF.1.b
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F.BF.1.b
F.BF.1.c
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F.BF.1.b
F.BF.1.c
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F.BF.1.b
F.BF.1.c
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1.

Video Check: Select all that apply with regards to the video embedded directly above this item.

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2.

Solve It! You want to buy a sofa that was marked down by $50 before the clearance discount was applied.

The furniture store may add the 5% sales tax before applying the additional discount, or it may add the sales tax after applying the additional discount. Which way is better for you, the customer?

Take Note: Take a moment to record the function operations in your notes.

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3.

Video Check: Select all that apply with regards to the video embedded directly above this item.

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4.

Take Note: Use the properties of function operations to match equivalent expressions.

Draggable itemarrow_right_altCorresponding Item

h(x)-g(x)

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\frac{h(x)}{g(x)}

f(x)+g(x)

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(h-g)(x)

(\frac{h}{g})(x)

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h(x)\cdot g(x)

(h\cdot g)(x)

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(f+g)(x)

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5.

Problem 1 Got It?

F.BF.1.b
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6.

Video Check: Select all that apply with regards to the video embedded directly above this item.

10
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7.

Problem 2 Got It?

F.BF.1.b
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8.

Video Check: Select all that apply with regards to the video embedded directly above this item.

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9.

Take Note: What is a composite function ?

You may use the canvas to help illustrate your written response.

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10.

Take Note: Consider functions f(x) and g(x) and the composite function g(f(x)).

Match equivalent items below.

Draggable itemarrow_right_altCorresponding Item

g(f(x))

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x

Domain of f(x)

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Range of f(x)

Domain of g(f(x))

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(g\circ f)(x)

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11.

Problem 3 Got It?

F.BF.1.b
F.BF.1.c
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12.

Video Check: Select all that apply with regards to the video embedded directly above this item.

5
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13.

Take Note: Recall that

(g\circ f)(x)=g(f(x)).

Regardless of how this composition of functions is written, which function is evaluated first?

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14.

Problem 4 Got It? A store is offering a 15% discount on all items. Also, employees get a 20% discount (20% off original price(s)). Write a composite function to model taking the 15% discount and then the 20% discount.

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15.

Problem 4 Got It? A store is offering a 15% discount on all items. Also, employees get a 20% discount (20% off original price(s)). Write a composite function to model taking the 20% discount and then the 15% discount.

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16.

Problem 4 Got It? Reasoning: In the scenario above, which order of discounts results in a lower cost to the employee?

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17.

🧠 Retrieval Practice:

Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?